Washing machine



FIG. 1 is a front/right-side/top perspective view of our new design for a washing machine;

FIG. 2 is a front-side elevational view thereof;

FIG. 3 is a rear-side elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top-side plan view thereof; and,

FIG. 7 is a bottom-side plan view thereof.

The broken lines shown in the drawings represent portions of the washing machine that form no part of the claimed design. 

CLAIM We claim the ornamental design for a washing machine, as shown and described. 